您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS ISO 11900-2-2008 冲压工具.球形锁紧冲头固定板.轻型用减径C和D型固定板

时间:2024-05-03 21:38:05 来源: 标准资料网 作者:标准资料网 阅读:9919
下载地址: 点击此处下载
【英文标准名称】:Toolsforpressing-Ball-lockpunchretainers-TypesCandD,reducedforlightduty
【原文标准名称】:冲压工具.球形锁紧冲头固定板.轻型用减径C和D型固定板
【标准号】:BSISO11900-2-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-11-30
【实施或试行日期】:2008-11-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:球;压模;名称与符号;尺寸公差;尺寸;轻型;材料;金属的压力加工;压力机;凸模夹持器;冲床;减低;固定板;标记片;应力;工具
【英文主题词】:Balls;Compressionmoulds;Designations;Dimensionaltolerances;Dimensions;Light-duty;Materials;Pressworkingsofmetals;Presses;Punchholders;Punches;Reducing;Retainer;Stampingplates;Stress;Tools
【摘要】:
【中国标准分类号】:J62
【国际标准分类号】:25_120_10
【页数】:14P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforFluorescentUVExposureofPlastics
【原文标准名称】:塑料荧光紫外线曝光的标准实施规程
【标准号】:ASTMD4329-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.50
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:塑料;使用说明;环境试验;工艺;试验设备
【英文主题词】:degradation;exposure;fluorescentUV;lightexposure;ultraviolet
【摘要】:Theabilityofaplasticmaterialtoresistdeteriorationofitselectrical,mechanical,andopticalpropertiescausedbyexposuretolight,heat,andwatercanbeverysignificantformanyapplications.Thispracticeisintendedtoinducepropertychangesassociatedwithend-useconditions,includingtheeffectsofsunlight,moisture,andheat.Theexposureusedinthispracticeisnotintendedtosimulatethedeteriorationcausedbylocalizedweatherphenomena,suchas,atmosphericpollution,biologicalattack,andsaltwaterexposure.(Warning8212;Variationinresultsmaybeexpectedwhenoperatingconditionsarevariedwithintheacceptedlimitsofthispractice.Therefore,noreferencetotheuseofthispracticeshouldbemadeunlessaccompaniedbyareportpreparedinaccordancewithSection8thatdescribesthespecificoperatingconditionsused.RefertoPracticeG151fordetailedinformationonthecaveatsapplicabletouseofresultsobtainedinaccordancewiththispractice.)Note28212;Additionalinformationonsourcesofvariabilityandonstrategiesforaddressingvariabilityinthedesign,execution,anddataanalysisoflaboratory-acceleratedexposuretestsisfoundinGuideG141.Reproducibilityoftestresultsbetweenlaboratorieshasbeenshowntobegoodwhenthestabilityofmaterialsisevaluatedintermsofperformancerankingcomparedtoothermaterialsortoacontrol.5,6Therefore,exposureofasimilarmaterialofknownperformance(acontrol)atthesametimeasthetestmaterialsisstronglyrecommended.Itisrecommendedthatatleastthreereplicatesofeachmaterialbeexposedtoallowforstatisticalevaluationofresults.TestresultswilldependuponthecarethatistakentooperatetheequipmentinaccordancewithPracticeG154.Significantfactorsincluderegulationoflinevoltage,temperatureoftheroominwhichthedeviceoperates,temperaturecontrol,andconditionandageofthelamp.1.1ThispracticecoversspecificproceduresandtestconditionsthatareapplicableforfluorescentUVexposureofplasticsconductedinaccordancewithPracticesG151andG154.Thispracticealsocoversthepreparationoftestspecimens,thetestconditionsbestsuitedforplastics,andtheevaluationoftestresults.1.2ThevaluesstatedinSIunitsareberegardedasstandard.Thevaluesgiveninbracketsareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThispracticeistechnicallysimilartoISO4892-3.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Testingofroofslates;temperaturealternatingtest
【原文标准名称】:瓦板岩检验.温度变化检验
【标准号】:DIN52204-1985
【标准状态】:作废
【国别】:德国
【发布日期】:1985-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:屋顶石板;屋面石板瓦;试验;石板;热循环试验;施工材料;检验;热试验
【英文主题词】:roofslates;inspection;slate;constructionmaterials;thermaltesting;thermal-cyclingtests;roofingslates;testing
【摘要】:
【中国标准分类号】:Q21
【国际标准分类号】:7460
【页数】:2P;A4
【正文语种】:德语